TY  - BOOK
AU  - Campbell, John,
TI  - GMDSS: understanding the Global Maritime Distress and Safety System : the new marine radio communication system 
SN  - 1840370106
AV  - VK200 
PY  - 1998///
CY  - Shrewsbury
PB  - Waterline
KW  - Navigation
KW  - Safety measures
KW  - Radio in navigation
KW  - Artificial satellites in navigation
KW  - Distress signals
N1  - Includes index
ER  -